OnmyfirstjobassportseditorfortheMontpelierLeaderEnterprise（MLE），Ididn'tgetalotoffanmail，somyattentionwascaughtbyaletteronmydeskonemorning．WhenIopenedit，Iread："SweetpieceofwritingontheT
On my first job as sports editor for the Montpelier Leader Enterprise（MLE），I didn't get a lot of fan mail，so my attention was caught by a letter on my desk one morning．
When I opened it，I read："Sweet piece of writing on the Tigers．Keep up the good work．"It was signed by Don Wolfe，the sports editor． Because I was a teenager（being paid the grand total of 15cents a column inch），his words could not have been more inspiring，I kept the letter in my desk drawer until it got old．Whenever I doubted I had the right stuff to a writer，I would reread Don's note and walk on air again．
Later，when I got to know him，I learned that Don made a habit of writing a quick，encouraging note to people in all walks of life，"When I make others feel good about themselves，"he told me，"I feel good，too．"
Over the years，I've tried to copy Don and write uplifting words．In a world too often cold and unresponsive，such notes bring warmth．
Why are positive note writers in such short supply？My guess is that many who shy away from the practice are too self-conscious．They are afraid they will be misunderstood．Thus it may cause troubles and problems．And it sounds insincere on the phone，Also，writing takes time；it is far easier to pick up the phone．
The drawback of phone calls，of course，is that they do not last．A note attaches more importance to our well-wishing．It is a matter of record，and our words can be read more than oncesavored （回味） and treasured，and they bring strength and love to us．
Today I sent a warm letter to my old boss．I don't know if it will make his day，but it made mine．As my friend Don Wolfe said．"Making others feel good about themselves makesme feel good too．"
56．What does the underlined part"walk on air"in Paragraph 2probably mean？
（No more than 5words）
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57．According to the author，why aren't people willing to write letters？